EFM32WG Datasheet, PDF (276/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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Figure 15.17. Normal Isochronous OUT/IN Transactions in Slave Mode
init_reg( ch_2)
set_ch_en
( ch_2)
Applicat ion
1
i n i t_r e g(c h_1)
1
writ e_t x_fifo
( ch_1)
2
2
AHB
1
MPS
6
i n i t_r e g(c h_1)
writ e_t x_fifo
( ch_1)
read_rx_st s
6
r e a d_ r x_ f i f o
read_rx_st s
7
init_reg( ch_2)
9
set_ch_en
(ch_2)
XFERCOMPL int errupt
1
MPS
RXFLVL int errupt
1
MPS
RXFLVL int errupt
XFERCOMPL int errupt
i n i t_r e g(c h_1)
writ e_t x_fifo
( ch_1)
XFERCOMPL int errupt
1
MPS
H ost
3
ch_1
4
ch_2
3
5
USB
D e v ice
Periodic Request s
Queue
Asum e that this queue
can hold 4 entries.
OUT
DAT A0
MPS
Odd
fram e
4
5
IN
DAT A0
8
ch_1
ch_2
OUT
DAT A0
MPS
IN
DATA
0
Ev e n
fram e
Interrupt Service Routine for Isochronous OUT Transactions in Slave Mode
Isochronous OUT
Unmask (FRMOVRUN/XFERCOMPL)
if (XFERCOMPL)
{
De-allocate Channel
}
else if (FRMOVRUN)
{
Unmask CHHLTD
Disable Channel
}
else if (CHHLTD)
{
Mask CHHLTD
De-allocate Channel
}
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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